Triangle of Arnold L(b) for Springer numbers.

Terms

a(0) =0a(1) =1a(2) =1a(3) =0a(4) =1a(5) =2a(6) =11a(7) =11a(8) =10a(9) =8a(10) =0a(11) =11a(12) =22a(13) =32a(14) =40a(15) =361a(16) =361a(17) =350a(18) =328a(19) =296a(20) =256a(21) =0a(22) =361a(23) =722a(24) =1072a(25) =1400a(26) =1696a(27) =1952a(28) =24611a(29) =24611